An Elementary Theory of Global Supply Chains

We thank Pol Antràs, Ariel Burstein, Bob Gibbons, Gene Grossman, Juan Carlos Hallak, Gordon Hanson, Elhanan Helpman, Oleg Itskhoki, Kiminori Matsuyama, Marc Melitz, Andrés Rodríguez-Clare, and seminar participants at Harvard University, Hitotsubashi University and the CESifo global economy conference. Costinot thanks the Alfred P. Sloan foundation for financial support. Vogel thanks the National Science Foundation (under Grant SES-0962261) for research support. Any opinions, findings, and conclusions or recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the National Science Foundation, the National Bureau of Economic Research, or any other organization.